say it: FROOT-luhs
fruitless is an adjective meaning "unproductive of success". It is pronounced /ˈfɹutləs/ — FROOT-luhs. It carries one recorded sense.
unproductive of success
“a fruitless search”
“futile years after her artistic peak”
“a sleeveless errand”
“a vain attempt”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for fruitless come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.